C) the nucleus. Hope this helps :)
DNA and RNA is your answer
Explanation:
precipitation like snow rain with increased acid is know as acid precipitation
Mass number is
protons + nuetrons
So,
7 + 8 = 15
——-
Atomic number is the number of protons
so,
7
The answer is <span>D. Nonvascular plants. These plants are usually very short and can't grow to be very tall. A good example is moss.
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